Specifications

Safety-door Switch D4NS A-5
D4NS
Safety Door
Switches
Ordering Information
List of Models
Switches (Operation Keys are sold separately.)
Note: 1. The recommended models for equipment and machinery being exported to Europe are those with an M20 or Pg13.5 conduit sizes, and for North
America, the recommended models are those with a 1/2-14NPT conduit sizes.
2. Resin is used as the material for the D4NS housing and head. Use the metal D4BS Safety-door Switch for applications requiring greater
mechanical strength.
Type Contact configuration Conduit opening/Connector Model
1-Conduit Slow-action 1NC/1NO Pg13.5 D4NS-1AF
G1/2 D4NS-2AF
1/2-14NPT D4NS-3AF
M20 D4NS-4AF
2NC Pg13.5 D4NS-1BF
G1/2 D4NS-2BF
1/2-14NPT D4NS-3BF
M20 D4NS-4BF
2NC/1NO Pg13.5 D4NS-1CF
G1/2 D4NS-2CF
1/2-14NPT D4NS-3CF
M20 D4NS-4CF
3NC Pg13.5 D4NS-1DF
G1/2 D4NS-2DF
1/2-14NPT D4NS-3DF
M20 D4NS-4DF
Slow-action MBB contact 1NC/1NO Pg13.5 D4NS-1EF
G1/2 D4NS-2EF
1/2-14NPT D4NS-3EF
M20 D4NS-4EF
2NC/1NO Pg13.5 D4NS-1FF
G1/2 D4NS-2FF
1/2-14NPT D4NS-3FF
M20 D4NS-4FF
2-Conduit Slow-action 1NC/1NO Pg13.5 D4NS-5AF
G1/2 D4NS-6AF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7AF
M20 D4NS-8AF
2NC Pg13.5 D4NS-5BF
G1/2 D4NS-6BF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7BF
M20 D4NS-8BF
2NC/1NO Pg13.5 D4NS-5CF
G1/2 D4NS-6CF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7CF
M20 D4NS-8CF
3NC Pg13.5 D4NS-5DF
G1/2 D4NS-6DF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7DF
M20 D4NS-8DF
Slow-action MBB contact 1NC/1NO Pg13.5 D4NS-5EF
G1/2 D4NS-6EF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7EF
M20 D4NS-8EF
2NC/1NO Pg13.5 D4NS-5FF
G1/2 D4NS-6FF
M20, includes M20-to-1/2-14NPT conversion adapter D4NS-7FF
M20 D4NS-8FF
1-Conduit, with
connector
Slow-action 1NC/1NO M12 connector D4NS-9AF
2NC D4NS-9BF
Slow-action MBB contact 1NC/1NO D4NS-9EF